Agri Diseases

DISEASES OF LINSEED – Agricultural study materials

DISEASES CAUSAL ORGANISM Rust Melamspora lini Wilt Fusarium oxysporum f.sp. lini Powdery mildew Oidium lini Alternaria leaf spot Alternaria lini Septoria leaf spot Mycosphaerella linorum 1. Rust –Melamspora lini Symptoms The rust may attack all the aerial parts of the plant including the capsules. Diseased plants produce bright orange uredo pustules on both surfaces of […]

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Diseases Of Maize Plant – Study material

DISEASES OF MAIZE DISEASES CAUSAL ORGANISM Downey mildew / Crazy top Peronosclerospora sorghi, P.philipenensis Charcoal rot Macrophomina phaseolina Head smut Sphacelotheca reiliana Leaf blight Helminthosporium maydis Rust Puccinia sorghi 1. DOWNY MILDEW OR CRAZY TOP- Peronosclerospora sorgi Symptoms The development of chlorotic streaks appears on the leaves and plants exhibit stunted and bushy appearance. White […]

Agri Diseases

Disease of Oats plants – Agricultural study materials

Diseases of oats DISEASES CAUSAL ORGANISM Septoria avenae blotch    Phaeosphaeria avenaria f.sp. avenaria Stem and leaf rust            Puccinia graminis var. avena Leaf spot Drechslera campanulata Bacterial blight Pseudomonas syringae pv.striafaciens Yellow dwarf      Barley yellow dwarf virus 1. Septoria avenae blotch   — Phaeosphaeria avenaria f.sp. avenaria Symptoms The fungus infects leaves, sheaths and stem and […]